div.principal {
width:900px;
float:middle;
text-align:center;
}

div.menu_izq {
width:200px;
float:left;
text-align:left;
vertical-align:middle;
background: gray;
}

div.content {
width:600px;
float:left;
text-align:left;
}

div.titulo {
color: red;
font-weight: bold;
font-size: 18;
line-height: 10px;
}

div.doc-panel {
text-align:right;
font-size: 12;
}

.titulo a:link
{
color: black;
text-decoration:none;
}

.titulo a:visited
{
color: black;
text-decoration:none;
}

.titulo a:hover
{
color: gray;
text-decoration:none;
}


div.subtitulo {
color: green;
font-size: 11;
line-height: 30px;
}






